An electromyographic assessment of the anti-G straining maneuver.
D000005:Abdomen; D000328:Adult; D000337:Aerospace Medicine; D004576:Electromyography; D005931:Glottis / Q000502:physiology; D006801:Humans; D018471:Hypergravity / Q000009:adverse effects*; D008297:Male; D018482:Muscle, Skeletal / Q000502:physiology*; D011187:Posture; D012119:Respiration; D012307:Risk Factors; D014474:Unconsciousness / Q000517:prevention & control*